160978 has 4 divisors (see below), whose sum is σ = 241470. Its totient is φ = 80488.

The previous prime is 160969. The next prime is 160981. The reversal of 160978 is 879061.

160978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 91809 + 69169 = 303^2 + 263^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40243 + ... + 40246.

2¹⁶⁰⁹⁷⁸ is an apocalyptic number.

160978 is a deficient number, since it is larger than the sum of its proper divisors (80492).

160978 is an equidigital number, since it uses as much as digits as its factorization.

160978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80491.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 160978 is about 401.2206375549. The cubic root of 160978 is about 54.3987402390.

The spelling of 160978 in words is "one hundred sixty thousand, nine hundred seventy-eight".